Edith Wharton refers to Morocco as "a country without a guide-book." Which line, or lines, from My Ship and I expresses (or express) a similar idea?

It expresses the thoughts, the ideas that Edith had when she traveled a country without a guidebook with her.

Explanation:

In Morocco is Edith Wharton's amazing record of her excursion to that nation during World War I. With her trademark feeling of experience, Wharton set out to investigate Morocco and its kin, going by military jeep to Rabat, Moulay Idriss, Fez, and Marrakech, from the Atlantic coast to the high Atlas.

En route, she saw strict services and ceremonial moves, visited the extravagant royal residences of the sultan, and was admitted to the secretive universe of his collection of mistresses.

they are direct opposites. they can both be corrupted. they are inseparable.